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Voyez comment la modélisation et la simulation sont utilisées par les industries La modélisation et la simulation multiphysiques pilotent l'innovation dans tous les grands secteurs d'activité et dans le monde universitaire — comme en témoignent les nombreuses utilisations présentées dans des articles et des posters techniques présentés par des ingénieurs, chercheurs et scientifiques à la Conférence COMSOL chaque année. Inspirez-vous des récents proceedings réunis ci-dessous, ou, pour trouver les présentations les plus intéressantes dans votre domaine d'intérêt, utilisez la recherche rapide.

Consultez les proceedings de la Conference COMSOL 2024

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Finite Element Model for Simulating the Inspection of Steel Tubes Using Electromagnetic Acoustic Transducers

P. Sun[1], X. Ding[1], X. Wu[1], M. Cong[1]
[1]School of Mechanical Science & Engineering, Huazhong University of Science and Technology, Wuhan, China

Steel tubes are widely used in industries. In order to ensure the safety and reliability of industrial processes, electromagnetic acoustic transducers (EMATs) based guided wave technology has been developed for inspecting stainless steel tubes regularly. Theoretical models and finite ... En savoir plus

High-Frequency Electromagnetic Heating: 3D Model for Petroleum Production Applications

S. Cambon[1], I. Bogdanov[1]
[1]CHLOE, Pau, France

Oil production industry investigates new methods to improve oil extraction from natural rocks. Since long time the dedicated simulation software has been used to better understand the behaviour and predict the production from oil reservoirs depending on the developed technologies. Modern ... En savoir plus

Predicting Temperature-Dependent Dielectric Properties of Granular Composite Mixtures

Ansan Pokharel¹, Divakar Reddy Aireddy², Pranjali Muley³, Christina Wildfire⁴, Terence Musho¹
¹Department of Mechanical, Materials & Aerospace Engineering, West Virginia University, Morgantown, WV 26505, USA
²NETL Support Contractor, 3610 Collins Ferry Road, Morgantown, WV 26505, USA, National Energy Technology Laboratory, 3610 Collins Ferry Road, Morgantown, WV 26505, USA
³NETL Support Contractor, 3610 Collins Ferry Road, Morgantown, WV 26505, USA,National Energy Technology Laboratory, 3610 Collins Ferry Road, Morgantown, WV 26505, USA
⁴National Energy Technology Laboratory, 3610 Collins Ferry Road, Morgantown, WV 26505, USA

Accurately determining the effective dielectric properties (complex permittivity and permeability) of granular mixtures is essential for optimizing microwave-based processes, including materials synthesis and catalytic reactions. Conventional mixing laws often fail to capture the complex ... En savoir plus

Finite Element Modeling of Electromagnetic Scattering for Microwave Breast Cancer Detection

R. Firoozabadi[1], and E.L. Miller[2]
[1]Airvana Inc., Chelmsford, MA, USA
[2]Tufts University, Medford, MA, USA

In this paper, COMSOL Multiphysics software is utilized as a finite element forward solver to obtain the electromagnetic fields at the receiving antennas while the breast is illuminated by one antenna in the array. Geometry consists of coronal slices of the 3-D breast. Simulations are ... En savoir plus

Parametric Study of Heavy Oil Recovery by Electromagnetic Heating on a Horizontal Well

M. Liu[1], G. Zhao[1]
[1]University of Regina, Regina, SK, Canada

This study presents a oil-gas two-phase linear flow EMH model using COMSOL Multiphysics simulator. Special attention is focused on reservoirs with characteristics for which steam injection is not attractive or feasible such as low permeability, thin-zone, and extra-heavy oil reservoirs. ... En savoir plus

High Frequency Electromagnetic Device Modeling with COMSOL: Simulation vs. Experiment

P. Alotto[1], F. Dughiero[1], F. Bressan[1], M. Bullo[1]
[1]Università di Padova, Dipartimento di Ingegneria Industriale, Padova, Italy

Computer simulation is mandatory for the optimization of electromagnetic devices. Here we concentrate on two classes of devices operating in the MHz and GHz range, namely microwave ovens and TEM cells for electromagnetic compatibility testing. In particular we concentrate on the issue ... En savoir plus

Numerical Study of a DC Electromagnetic Liquid Metal Pump: Limits of the Model

N. Kandev[1]
[1]Institut de recherche d'Hydro-Québec, Shawinigan, QC, Canada

This work presents the results of a 3D numerical magneto-hydrodynamic (MHD) simulation of an electromagnetic DC pump for liquid metal using a rectangular metal flow channel subjected to an externally imposed transversal inhomogeneous magnetic field. In this study. 3D numerical simulation ... En savoir plus

A COMSOL Multiphysics Approach to Simulate Graphene Defect Effect on Perovskite Solar Cells

Noor ul ain ahmed¹, Monica La Mura², Vincenzo Tucci¹, Patrizia Lamberti¹
¹Department of Information and Electrical Engineering and Applied Mathematics, University of Salerno, 84084 Fisciano (SA), Italy
²Deptartment of Industrial, Electronic, and Mechanical Engineering, Roma Tre University, Rome, Italy

Perovskite solar cells (PSCs) are a promising photovoltaic technology but their performance remains limited by incomplete absorption of incident photons, primarily due to reflection at the transparent front electrode [1]. To address this issue, interface engineering with graphene-based ... En savoir plus

Designing of the diamond-based NV quantum chip for the in vitro application

Josef Soucek¹, Alevtina Schmakova², Sarra Zaghbouni³, Michael Petrov⁴, Remy Vandebosch⁴, Ondrej Fiser⁵, Bert Brône⁶, Milos Nesladek⁷
¹Institute for Materials Research (IMO), Hasselt University, Wetenschapspark 1, B-3590 Diepenbeek, Belgium. - Faculty of Biomedical Engineering, Czech Technical University in Prague, Sítna sq. 3105, 27201 Kladno, Czech Republic
²Institute for Materials Research (IMO), Hasselt University, Wetenschapspark 1, B-3590 Diepenbeek, Belgium. - IMOMEC division, IMEC, Wetenschapspark 1, B-3590 Diepenbeek, Belgium.
³IMOMEC division, IMEC, Wetenschapspark 1, B-3590 Diepenbeek, Belgium
⁴Institute for Materials Research (IMO), Hasselt University, Wetenschapspark 1, B-3590 Diepenbeek, Belgium - IMOMEC division, IMEC, Wetenschapspark 1, B-3590 Diepenbeek, Belgium
⁵Faculty of Biomedical Engineering, Czech Technical University in Prague, Sítna sq. 3105, 27201 Kladno, Czech Republic
⁶IMOMEC division, IMEC, Wetenschapspark 1, B-3590 Diepenbeek, Belgium - BIOMED, Bio-Medische faculteit, Agoralaan gebouw C, 3590 Diepenbeek, Belgium
⁷Institute for Materials Research (IMO), Hasselt University, Wetenschapspark 1, B-3590 Diepenbeek, Belgium - Faculty of Biomedical Engineering, Czech Technical University in Prague, Sítna sq. 3105, 27201 Kladno, Czech Republic - IMOMEC division, IMEC, Wete

This work presents the design and application of a quantum sensor using a point NV defect in a nanodiamond crystal lattice for in vitro applications. Our aim is to present the design of a quantum sensor using printed circuit boards (PCBs) and to investigate the quantum response ... En savoir plus

Numerical Modeling of Induction Brazing

V. BRUYERE¹, C. DURAND², S. ROURE², P. NAMY¹
¹SIMTEC, 5 rue Felix Poulat, GRENOBLE, France
²SCHNEIDER ELECTRIC, EYBENS, France

Induction brazing is a widely utilized joining process in various industries, offering efficient and localized heating for the assembly of diverse components. At Schneider Electric®, this process is used to assemble a silver piece on a copper piece. This work focuses on the advancements ... En savoir plus

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